4 Outlet Automatic doser
clear pastic u joints of 12mm diameter outside for a aquarium with wet or dry overflow boxes. Can be used as a replacement plumbing for an aquarium. It transports water to overlow boxes sumps and filters.
small suction cups, comes 2 in a blister pack which are used in the aquariums to hold the air lines firmly. Diameter of the suction cup is around 2cm. It is transparent in color.
t joint of diameter 16mm allows to connect the plumbing pvc hoses to be connected from 3 sides. Can be used for both air and water inlet or outlet.
controllable air valve which is made up of plastic which can be used as a extending air outletsby connection them together.